<!DOCTYPE HTML>
<html>
    <head>
        <meta charset='utf8'>
        <title>文本-颜色</title>
        <style>
        body{
            color: dodgerblue;
        }
        h1{
            color: green
        }
        h2{
            color: orange;
        }
        </style>
    </head>
    <body>
         <h1>我是绿色</h1>
         <h2>我是橘黄色</h2>
         <h3>我是蓝色</h3>
    </body>
</html>